{"product_id":"sumitomo-1hrjw09-carbide-turning-insert-55-deg-diamond","title":"Sumitomo 1HRJW09 Carbide Turning Insert 55 Deg Diamond","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe SUMITOMO 1HRJW09 is a DPMT-style carbide turning insert designed for precision metal cutting on CNC and manual lathes. Assigned ANSI code DPMT32.51 and ISO code DPMT11T304, this insert features a 55-degree diamond (rhombic) shape with a positive rake angle of 8 degrees and an 11-degree relief angle. The AC820P grade substrate is coated with aluminum oxide (Al2O3) via a CVD process, delivering high wear resistance across a broad range of steel and cast iron applications. The ESU chip breaker geometry is optimized for finishing and light machining operations where surface finish and dimensional accuracy are critical.\u003c\/p\u003e\u003cp\u003eThis insert is suited for finishing and light machining passes on steel and cast iron workpieces in production and job-shop environments. Its positive-rake, screw-holding DPMT configuration works in standard DPMT-compatible toolholders used by machinists and CNC operators in aerospace, automotive, general manufacturing, and die-and-mold work. The AC820P grade performs well across both P-class (steel) and K-class (cast iron) material categories, spanning high wear resistance to moderate toughness requirements.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e55-degree diamond insert shape (DPMT style) with positive side clearance for reduced cutting forces\u003c\/li\u003e\n\u003cli\u003eAC820P grade with CVD-applied Al2O3 coating for extended tool life on steel and cast iron\u003c\/li\u003e\n\u003cli\u003eESU chip breaker geometry tuned for finishing and light machining operations\u003c\/li\u003e\n\u003cli\u003e8-degree positive rake angle and 11-degree relief angle for clean, low-force cuts\u003c\/li\u003e\n\u003cli\u003eScrew-holding insert design (tolerance code M, clearance code P) for secure, repeatable seating\u003c\/li\u003e\n\u003cli\u003eMeets ANSI and ISO 13399 standards; dual-coded for easy toolholder matching\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style replacement or direct-use insert for DPMT-compatible turning toolholders accepting ANSI size code 32.51 (ISO size code 11T304) inserts. Suited for P-class (steel) and K-class (cast iron) primary workpiece materials.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation is performed by qualified machinists or CNC setup technicians using the appropriate torx or hex key to seat the insert via the screw-holding clamp. Ensure the machine spindle is fully stopped and the toolholder is secured before changing inserts. Inspect the pocket and seating surface for chips or debris before installing the new insert to avoid premature edge failure. Follow the toolholder manufacturer torque guidance for the clamping screw; do not overtighten.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eANSI Insert Code\u003c\/strong\u003e: DPMT32.51\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eISO Insert Code\u003c\/strong\u003e: DPMT11T304 (Iso Code: DPMT11T304N-SU)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Shape\u003c\/strong\u003e: D - Diamond (Rhombic) 55 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Grade\u003c\/strong\u003e: AC820P\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating \/ Finish\u003c\/strong\u003e: Al2O3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating Process\u003c\/strong\u003e: CVD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChip Breaker\u003c\/strong\u003e: ESU\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChip Breaker Operation\u003c\/strong\u003e: Finishing, Light Machining\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Material\u003c\/strong\u003e: Carbide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInscribed Circle\u003c\/strong\u003e: 3\/8 inches (0.3750 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorner Radius\u003c\/strong\u003e: 1\/64 inches (0.0156 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Thickness\u003c\/strong\u003e: 5\/32 inches (0.1563 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Length\u003c\/strong\u003e: 0.4567 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHole Diameter\u003c\/strong\u003e: 0.1732 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelief Angle\u003c\/strong\u003e: 11 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRake Angle\u003c\/strong\u003e: 8 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRake\u003c\/strong\u003e: Positive\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSide Clearance\u003c\/strong\u003e: Positive\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Hand\u003c\/strong\u003e: Neutral\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Holding Method\u003c\/strong\u003e: Screw\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTolerance Code\u003c\/strong\u003e: M\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClearance Code\u003c\/strong\u003e: P\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary Workpiece Material\u003c\/strong\u003e: Steel (P), Cast Iron (K)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrade Characteristics\u003c\/strong\u003e: High Wear-Resistance to Moderate Wear-Resistance and Toughness (P and K classes)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandards\u003c\/strong\u003e: ANSI, ISO 13399\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.01 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 1 per package (minimum order quantity: 10)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: SUMITOMO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 1HRJW09\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SUMITOMO","offers":[{"title":"Default Title","offer_id":51738387546418,"sku":"1HRJW09","price":265.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/5591a19f574be434718b3502a0b56012.jpg?v=1788798940","url":"https:\/\/voomisupply.com\/products\/sumitomo-1hrjw09-carbide-turning-insert-55-deg-diamond","provider":"Voomi Supply","version":"1.0","type":"link"}